Class: REXML::XMLDecl

Inherits:
Child show all
Includes:
Encoding
Defined in:
lib/rexml/xmldecl.rb

Overview

NEEDS DOCUMENTATION

Constant Summary

DEFAULT_VERSION =
"1.0"
DEFAULT_ENCODING =
"UTF-8"
DEFAULT_STANDALONE =
"no"
START =
'<\?xml'
STOP =
'\?>'

Constants included from Encoding

Encoding::UNILE, Encoding::UTF_16, Encoding::UTF_8

Instance Attribute Summary (collapse)

Attributes included from Encoding

#encoding

Attributes inherited from Child

#parent

Class Method Summary (collapse)

Instance Method Summary (collapse)

Methods included from Encoding

apply, #check_encoding, #decode_ascii, #decode_cp1252, #decode_iconv, #decode_unile, #decode_utf16, #decode_utf8, #encode_ascii, #encode_cp1252, #encode_iconv, #encode_unile, #encode_utf16, #encode_utf8, encoding_method, #from_iso_8859_15, register, #to_iso_8859_15

Methods inherited from Child

#bytes, #document, #next_sibling=, #previous_sibling=, #remove, #replace_with

Methods included from Node

#each_recursive, #find_first_recursive, #indent, #index_in_parent, #next_sibling_node, #parent?, #previous_sibling_node, #to_s

Constructor Details

- (XMLDecl) initialize(version = DEFAULT_VERSION, encoding = nil, standalone = nil)

A new instance of XMLDecl



18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
# File 'lib/rexml/xmldecl.rb', line 18

def initialize(version=DEFAULT_VERSION, encoding=nil, standalone=nil)
  @writethis = true
  @writeencoding = !encoding.nil?
  if version.kind_of? XMLDecl
    super()
    @version = version.version
    self.encoding = version.encoding
    @writeencoding = version.writeencoding
    @standalone = version.standalone
  else
    super()
    @version = version
    self.encoding = encoding
    @standalone = standalone
  end
  @version = DEFAULT_VERSION if @version.nil?
end

Instance Attribute Details

- (Object) standalone Also known as: stand_alone?

Returns the value of attribute standalone



15
16
17
# File 'lib/rexml/xmldecl.rb', line 15

def standalone
  @standalone
end

- (Object) version

Returns the value of attribute version



15
16
17
# File 'lib/rexml/xmldecl.rb', line 15

def version
  @version
end

- (Object) writeencoding (readonly)

Returns the value of attribute writeencoding



16
17
18
# File 'lib/rexml/xmldecl.rb', line 16

def writeencoding
  @writeencoding
end

- (Object) writethis (readonly)

Returns the value of attribute writethis



16
17
18
# File 'lib/rexml/xmldecl.rb', line 16

def writethis
  @writethis
end

Class Method Details

+ (Object) default

Only use this if you do not want the XML declaration to be written; this object is ignored by the XML writer. Otherwise, instantiate your own XMLDecl and add it to the document.

Note that XML 1.1 documents must include an XML declaration



93
94
95
96
97
# File 'lib/rexml/xmldecl.rb', line 93

def XMLDecl.default
  rv = XMLDecl.new( "1.0" )
  rv.nowrite
  rv
end

Instance Method Details

- (Object) ==(other)



57
58
59
60
61
62
# File 'lib/rexml/xmldecl.rb', line 57

def ==( other )
  other.kind_of?(XMLDecl) and
  other.version == @version and
  other.encoding == self.encoding and
  other.standalone == @standalone
end

- (Object) clone



36
37
38
# File 'lib/rexml/xmldecl.rb', line 36

def clone
  XMLDecl.new(self)
end

- (Object) dowrite



103
104
105
# File 'lib/rexml/xmldecl.rb', line 103

def dowrite
  @writethis = true
end

- (Object) encoding=(enc)



77
78
79
80
81
82
83
84
85
86
# File 'lib/rexml/xmldecl.rb', line 77

def encoding=( enc )
  if enc.nil?
    self.old_enc = "UTF-8"
    @writeencoding = false
  else
    self.old_enc = enc
    @writeencoding = true
  end
  self.dowrite
end

- (Object) inspect



107
108
109
# File 'lib/rexml/xmldecl.rb', line 107

def inspect
  START.sub(/\\/u, '') + " ... " + STOP.sub(/\\/u, '')
end

- (Object) node_type



70
71
72
# File 'lib/rexml/xmldecl.rb', line 70

def node_type
  :xmldecl
end

- (Object) nowrite



99
100
101
# File 'lib/rexml/xmldecl.rb', line 99

def nowrite
  @writethis = false
end

- (Object) old_enc=



75
# File 'lib/rexml/xmldecl.rb', line 75

alias :old_enc= :encoding=

- (Object) write(writer, indent = 1, transitive = false, ie_hack = false)

indent

Ignored. There must be no whitespace before an XML declaration

transitive

Ignored

ie_hack

Ignored



46
47
48
49
50
51
52
53
54
55
# File 'lib/rexml/xmldecl.rb', line 46

def write(writer, indent=-1, transitive=false, ie_hack=false)
  return nil unless @writethis or writer.kind_of? Output
  writer << START.sub(/\\/u, '')
  if writer.kind_of? Output
    writer << " #{content writer.encoding}"
  else
    writer << " #{content encoding}"
  end
  writer << STOP.sub(/\\/u, '')
end

- (Object) xmldecl(version, encoding, standalone)



64
65
66
67
68
# File 'lib/rexml/xmldecl.rb', line 64

def xmldecl version, encoding, standalone
  @version = version
  self.encoding = encoding
  @standalone = standalone
end